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JPL Small-Body Database Browser
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268320 (2005 RB30)
Classification: Main-belt Asteroid          SPK-ID: 2268320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136882065132751 5.4472e-08  
a 2.343307637016628 1.8433e-08 au
q 1.842570430753684 1.3525e-07 au
i 2.187282683906081 9.8396e-06 deg
node 349.4937156876758 0.00013516 deg
peri 294.0810619394376 0.00013711 deg
M 337.4693937026597 2.3709e-05 deg
tp 2458682.499795012596
(2019-Jul-17.99979501)
8.67e-05 TDB
period 1310.214461828275
3.59
1.5459e-05
4.232e-08
d
yr
n .2747641782992194 3.242e-09 deg/d
Q 2.844044843279572 2.2371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      7449 days (20.39 yr)  
   first obs. used      1998-09-13  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59187  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:50:19  

Additional Information
 Earth MOID = .826892 au 
 Jupiter MOID = 2.31623 au 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO470847  

268320 (2005 RB30)          Discovered 2005-Sep-09 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2005 RB30 = 2004 DW8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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